Home / 29,308.80-43,965.26-11,778.64

Finding the Fourth Proportional to 29,308.80, 43,965.26 and 11,778.64

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Solution

The fourth proportional to 29,308.80, 43,965.26 and 11,778.64 is: 17,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.80 : 43,965.26 = 11,778.64 : x
  2. Step 2: Convert to fraction form
    29,308.80/43,965.26 = 11,778.64/x
  3. Step 3: Cross multiply
    29,308.80x = 43,965.26 × 11,778.64
  4. Step 4: Simplify right side
    29,308.80x = 517,850,970.05
  5. Step 5: Solve for x
    x = 517,850,970.05/29,308.80
  6. Step 6: Final answer
    x = 17,668.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.